示例#1
0
        public void BRecMouseDown(object sender, MouseButtonEventArgs e)
        {
            MyCanvas tempCanv = new MyCanvas();

            tempCanv.Draw();
            tempCanv.MouseLeftButtonDown  += StartDrag;
            tempCanv.MouseRightButtonDown += RemoveClick;

            if (sender != null)
            {
                Ellipse Ell = (Ellipse)e.OriginalSource;
                Ell.MouseLeftButtonDown -= BRecMouseDown;
                var    mouseWasDownOn = e.Source as FrameworkElement;
                string elementName    = mouseWasDownOn.Uid;
                var    StartCanv      = SchemePlace.Children.OfType <MyCanvas>().FirstOrDefault(x => x.Uid.IndexOf(':' + elementName) > -1);
                Canvas.SetTop(tempCanv, Canvas.GetTop(StartCanv));
                //Canvas.SetLeft(tempCanv, (Canvas.GetLeft(StartCanv) + (int)StartCanv.ElementImage.ActualWidth)
                //    - (Canvas.GetLeft(StartCanv) + (int)StartCanv.ElementImage.ActualWidth) % 20 + 60);
                Canvas.SetLeft(tempCanv, (Canvas.GetLeft(StartCanv) + (int)StartCanv.ElementImage.ActualWidth)
                               - (Canvas.GetLeft(StartCanv) + (int)StartCanv.ElementImage.ActualWidth) % 20 + 60);
                DrawConnectLine(StartCanv, tempCanv);

                DrowOutput(tempCanv);
                StartCanv.Children.Remove(Ell);
                StartCanv.Children.Remove(StartCanv.Out);

                tempCanv.PREVIOUS = StartCanv;
                StartCanv.NEXT    = tempCanv;
                SchemePlace.Children.Add(tempCanv);
            }
            else
            {
                Canvas.SetTop(tempCanv, 20);
                Canvas.SetLeft(tempCanv, 20);
                DrowInput(tempCanv);
                DrowOutput(tempCanv);
                FirstElement = tempCanv;
                SchemePlace.Children.Add(tempCanv);
            }
        }